National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

De Kalb Taylor Municipal Airport (KDKB)

Lat: 41.93°NLon: 88.71°WElev: 909ft.

Fair

76°F

24°C

Humidity 66%
Wind Speed E 6 mph
Barometer 30.05 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 14 Jun 1:55 pm CDT
Extended Forecast for

Sycamore IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 78. East northeast wind around 10 mph.

    High: 78 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 58. East northeast wind 5 to 10 mph.

    Low: 58 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 83. East wind 5 to 10 mph.

    High: 83 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 63. East wind 5 to 10 mph.

    Low: 63 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 86. South southeast wind 5 to 10 mph.

    High: 86 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.

    Low: 66 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 89.

    High: 89 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely, mainly after 1am. Mostly cloudy, with a low around 68.

    Low: 68 °F

    T-storms
    Likely

  • Wednesday

    Wednesday: Showers and thunderstorms likely. Mostly cloudy, with a high near 82.

    High: 82 °F

    T-storms
    Likely

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 78. East northeast wind around 10 mph.
Tonight
Mostly clear, with a low around 58. East northeast wind 5 to 10 mph.
Sunday
Mostly sunny, with a high near 83. East wind 5 to 10 mph.
Sunday Night
Mostly cloudy, with a low around 63. East wind 5 to 10 mph.
Monday
Partly sunny, with a high near 86. South southeast wind 5 to 10 mph.
Monday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Tuesday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 89.
Tuesday Night
Showers and thunderstorms likely, mainly after 1am. Mostly cloudy, with a low around 68.
Wednesday
Showers and thunderstorms likely. Mostly cloudy, with a high near 82.
Wednesday Night
A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 63.
Juneteenth
Mostly sunny, with a high near 82.
Thursday Night
Mostly clear, with a low around 61.
Friday
Mostly sunny, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sycamore IL
 42°N 88.69°W
Last Update:
1:56 pm CDT Jun 14, 2025
Forecast Valid:
2pm CDT Jun 14, 2025-6pm CDT Jun 20, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation